245101121545051 has 16 divisors (see below), whose sum is σ = 246179097280800. Its totient is φ = 244024135557120.

The previous prime is 245101121544997. The next prime is 245101121545109. The reversal of 245101121545051 is 150545121101542.

It is a cyclic number.

It is not a de Polignac number, because 245101121545051 - 2⁴⁷ = 104363633189723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245101121545051.

It is not an unprimeable number, because it can be changed into a prime (245101121545151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6112379800 + ... + 6112419898.

It is an arithmetic number, because the mean of its divisors is an integer number (15386193580050).

Almost surely, 2^{245101121545051} is an apocalyptic number.

245101121545051 is a deficient number, since it is larger than the sum of its proper divisors (1077975735749).

245101121545051 is a wasteful number, since it uses less digits than its factorization.

245101121545051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51774.

The product of its (nonzero) digits is 40000, while the sum is 37.

Adding to 245101121545051 its reverse (150545121101542), we get a palindrome (395646242646593).

The spelling of 245101121545051 in words is "two hundred forty-five trillion, one hundred one billion, one hundred twenty-one million, five hundred forty-five thousand, fifty-one".